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Remove any row in which a NaN appears

Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

circa 5 anni fa

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Function Iterator

Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...

circa 5 anni fa

Risolto

Finding Perfect Squares

Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

circa 5 anni fa

Risolto

Remove the vowels

Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

circa 5 anni fa

Risolto

Return the 3n+1 sequence for n

A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

circa 5 anni fa

Risolto

Summing digits

Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

circa 5 anni fa

Risolto

Swap the first and last columns

Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

circa 5 anni fa

Risolto

Bullseye Matrix

Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

circa 5 anni fa

Risolto

Find all elements less than 0 or greater than 10 and replace them with NaN

Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

circa 5 anni fa

Risolto

Return the largest number that is adjacent to a zero

This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

circa 5 anni fa

Risolto

Find the longest sequence of 1's in a binary sequence.

Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

circa 5 anni fa

Risolto

Find the numeric mean of the prime numbers in a matrix.

There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

circa 5 anni fa

Risolto

Remove all the consonants

Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

circa 5 anni fa

Risolto

Fibonacci sequence

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

circa 5 anni fa

Risolto

Back and Forth Rows

Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

circa 5 anni fa

Risolto

Determine whether a vector is monotonically increasing

Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

circa 5 anni fa

Risolto

Who Has the Most Change?

You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

circa 5 anni fa

Risolto

Column Removal

Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

circa 5 anni fa

Risolto

Select every other element of a vector

Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

circa 5 anni fa

Risolto

Triangle Numbers

Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

circa 5 anni fa

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Make a checkerboard matrix

Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

circa 5 anni fa

Risolto

Find the sum of all the numbers of the input vector

Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

circa 5 anni fa

Risolto

Make the vector [1 2 3 4 5 6 7 8 9 10]

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

circa 5 anni fa

Risolto

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

circa 5 anni fa

Risposto

Using loop for calculating ode with different parameter

Use a for loop. If k is non-linear, just put your values of interest into a vector. loop_i = 0; for k = [1 10 ....Rest of ...

Using loop for calculating ode with different parameter

Use a for loop. If k is non-linear, just put your values of interest into a vector. loop_i = 0; for k = [1 10 ....Rest of ...

circa 5 anni fa | 0

Risposto

how to search a value of a matrix and replace by vector value?

studentIDs = [84599 84607; ... 151791 152219; ... 151791 152195; ... 357518 357809; ... 357518 357863];...

how to search a value of a matrix and replace by vector value?

studentIDs = [84599 84607; ... 151791 152219; ... 151791 152195; ... 357518 357809; ... 357518 357863];...

circa 5 anni fa | 1

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Risposto

Why does MATLAB (R2015b glnxa64 ) hangs at times ?

I see you are running Linux. Do you have a swap partition? If so, this could be the cause. With RAM intensive calculations, MATL...

Why does MATLAB (R2015b glnxa64 ) hangs at times ?

I see you are running Linux. Do you have a swap partition? If so, this could be the cause. With RAM intensive calculations, MATL...

circa 5 anni fa | 0

Risposto

How do I add cell (or double) columns together to form a new cell or vector?

Is this what you're looking for? sum(A,2)

How do I add cell (or double) columns together to form a new cell or vector?

Is this what you're looking for? sum(A,2)

circa 5 anni fa | 0

Risposto

I have a text file contains a diffrent directories of video data, but now I don't know how to read those directories line by line from this text file and pass it to a function of reading video, I wish you guys can help me

It sounds like your question is less about video files and more about how to read a text file containing a list of filepaths to ...

I have a text file contains a diffrent directories of video data, but now I don't know how to read those directories line by line from this text file and pass it to a function of reading video, I wish you guys can help me

It sounds like your question is less about video files and more about how to read a text file containing a list of filepaths to ...

circa 5 anni fa | 0

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